Information exchange through a relay node is attracting attention for applying machine-to-
machine communications. If the node demodulates the received signal in relay processing …

Wireless MIMO Switch makes the information exchange among terminals by two time steps.
As a result, the highly efficiency of information exchanging is achieved. If the relay is …

We investigate the degrees of freedom (DoF) and secrecy DoF for a general framework of
multiway relay networks named wireless MIMO switching, where a number of users …

Security issue has been considered as one of the most pivotal aspects for the fifth‐
generation mobile network (5G) due to the increasing demands of security service as well as …

This paper proposes the novel secure information sharing among wireless nodes by the
physical layer security based on multi-antenna null steering. For secure wireless …

We investigate the physical-layer security of a buffer-aided multiple-input multiple-output
relay channel. The wireless network under investigation is composed of one legitimate …

This paper proposes a novel technique called constellation overlapping to secure two-way
untrusted relaying systems. We first consider the symmetric case where two terminal users …

Communication using a repeater such as Wireless MIMO Switching is attracting attention
because it enables efficient communication and the network can be easily deployed. In this …

In a downlink non-orthogonal multiple access (NOMA) system, the reliable transmission of
cell-edge users cannot be guaranteed. On the other hand, the presence of eavesdroppers …

In this paper, we investigate the secure transmission of wireless relaying systems with
multidestinations and an eavesdropper (Eve) in Nakagami-m fading channels. To protect the …